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              <p>2014 | 172 Pages | ISBN: 1430266708 | PDF | 5 MB<br>The basic operational design of a computer system is called its architecture. John von Neumann, a pioneer in computer design, is credited with the architecture of most computers in use today. A typical von Neumann system has three major components: the central processing unit (CPU), or microprocessor; physical memory; and input/output (I/O). In von Neumann architecture (VNA) machines, such as the 80x86 family, the CPU is where all the computations of any applications take place. An application is simply a combination of machine instructions and data. To be executed by the CPU, an application needs to reside in physical memory. Typically, the application program is written using a mechanism called programming language. To understand how any given programming language works, it is important to know how it interacts with the operating system (OS), software that manages the underlying hardware and that provides services to the application, as well as how the CPU executes applications. In this chapter, you will learn the basic architecture of the CPU (microcode, instruction set) and how it executes instructions, fetching them from memory. You will then learn how memory works, how the OS manages the CPU and memory, and how the OS offers a layer of abstraction to a programming language. Finally, the sections on language evaluation will give you a high-level overview of how C# and common language runtime (CLR) evolved and the reason they are needed.<br>
          
      
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              <p>机器学习是一个涉及到统计学、概率论、计算机科学和算法等方面的交叉领域，从数据中反复学习，并找出其中可用于构建智能应用的潜在关系。尽管机器学习和深度学习具有巨大的可能性，但是如果要很好地掌握算法的工作原理并得到好的结果，对这些技术的全面的数学理解还是很必要的。</p>
          
      
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              <p>《Automatic SketchUp Creating 3-D Models in Ruby》的中文翻译<br>现存的唯一一本关于用Ruby进行SketchUp脚本开发的电子书<br>作者：Matthew Scarpino<br>发行日期：2010</p>
<p>翻译：Dragonflyxyz</p>
          
      
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              <p>《Automatic SketchUp Creating 3-D Models in Ruby》的中文翻译<br>现存的唯一一本关于用Ruby进行SketchUp脚本开发的电子书<br>作者：Matthew Scarpino<br>发行日期：2010</p>
<p>翻译：Dragonflyxyz</p>
          
      
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              <p>《Automatic SketchUp Creating 3-D Models in Ruby》的中文翻译<br>现存的唯一一本关于用Ruby进行SketchUp脚本开发的电子书<br>作者：Matthew Scarpino<br>发行日期：2010</p>
<p>翻译：Dragonflyxyz<br>第3、4 章参考了李涛的博客<a href="http://blog.csdn.net/litaosdau，感谢">http://blog.csdn.net/litaosdau，感谢</a><br>
          
      
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              <p>自己学习Python + OpenCV的记录<br>平台：Windows7 64位简体中文旗舰版（E3-1231v3,16G内存）<br>Python: 2.7<br>OpenCV: 2.4<br>
          
      
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              <p>无论即将到来的是大数据时代还是人工智能时代，亦或是传统行业使用人工智能在云上处理大数据的时代，作为一个有理想有追求的程序员，不懂深度学习（Deep Learning）这个超热的技术，会不会感觉马上就out了？现在救命稻草来了，《零基础入门深度学习》系列文章旨在讲帮助爱编程的你从零基础达到入门级水平。零基础意味着你不需要太多的数学知识，只要会写程序就行了，没错，这是专门为程序员写的文章。虽然文中会有很多公式你也许看不懂，但同时也会有更多的代码，程序员的你一定能看懂的（我周围是一群狂热的Clean Code程序员，所以我写的代码也不会很差）。<br>
          
      
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        <h2 id="公式的显示"><a href="#公式的显示" class="headerlink" title="公式的显示"></a>公式的显示</h2><p>默认情况下hexo是不支持Mathjax写Latex公式的，我们可以使用猫杀（cat x）提供的插件（可自动部署）在这里向猫杀同志致以感谢！<br>地址在：<a href="http://catx.me/2014/03/09/hexo-mathjax-plugin" target="_blank" rel="external">http://catx.me/2014/03/09/hexo-mathjax-plugin</a><br>安装：<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">npm install hexo-math --save</div></pre></td></tr></table></figure></p>
<p>在blog文件夹中执行：<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">hexo math install</div></pre></td></tr></table></figure></p>
<p>在<code>_config.yml</code>文件中添加：<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div></pre></td><td class="code"><pre><div class="line">plugins:</div><div class="line">- hexo-math</div></pre></td></tr></table></figure></p>
<p>当写到多行公式是发现生成的html没有将公式换行，查看marked.js发现将双反斜杠\\转义成了单反斜杠\<br>网上有修改marked.js文件的方法：<br><a href="http://blog.csdn.net/emptyset110/article/details/50123231" target="_blank" rel="external">http://blog.csdn.net/emptyset110/article/details/50123231</a><br>但是又怕对其他文件有影响，参考了kubi的做法：<br><a href="http://kubicode.me/2016/03/18/Hexo/The-Trick-about-Hexo-Support-MutiLine-Equation-using-Mathjax" target="_blank" rel="external">http://kubicode.me/2016/03/18/Hexo/The-Trick-about-Hexo-Support-MutiLine-Equation-using-Mathjax</a><br>将两个反斜杠改为四个反斜杠<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">\\\\</div></pre></td></tr></table></figure></p>
<p>就可以达到想要的效果了。</p>
<h2 id="表格的显示"><a href="#表格的显示" class="headerlink" title="表格的显示"></a>表格的显示</h2><p>表格要与上面的文本空出一行，才能生成表格效果，切记。</p>

      
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              <p>我的hexo搜索使用的是本地搜索插件hexo-generator-search<br>使用一段时间后发现生成的search.xml越来越大，虽然设置成了搜索时才下载，但还是随着文章内容越来越多（有断网恐惧症，所以大部分的转载都全文复制到本地）搜索加载的时间越来越长，开始考虑优化搜索，试了baidu，Google，Swfttype，都不是很理想。<br>
          
      
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              <p>老生常谈？这些日子谁不是切换到Node呢？我就是其中之一，下面是我的理由。<br><img src="/images/nodejs-logo-2.jpg" alt="enter description here" title="nodejs-logo-2.jpg"><br>
          
      
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